20189701875

素因数分解:

$3^1\times 5^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1423}}^1$

素因数の和:1523

約数の個数: 160

約数和(自身を含む): 40998076416

約数和(自身を除く): 20808374541

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 47, 69, 75, 105, 115, 125, 141, 161, 175, 235, 329, 345, 375, 483, 525, 575, 625, 705, 805, 875, 987, 1081, 1175, 1423, 1645, 1725, 1875, 2415, 2625, 2875, 3243, 3525, 4025, 4269, 4375, 4935, 5405, 5875, 7115, 7567, 8225, 8625, 9961, 12075, 13125, 14375, 16215, 17625, 20125, 21345, 22701, 24675, 27025, 29375, 29883, 32729, 35575, 37835, 41125, 43125, 49805, 60375, 66881, 81075, 88125, 98187, 100625, 106725, 113505, 123375, 135125, 149415, 163645, 177875, 189175, 200643, 205625, 229103, 249025, 301875, 334405, 405375, 468167, 490935, 533625, 567525, 616875, 675625, 687309, 747075, 818225, 889375, 945875, 1003215, 1145515, 1245125, 1404501, 1538263, 1672025, 2026875, 2340835, 2454675, 2668125, 2837625, 3436545, 3735375, 4091125, 4614789, 4729375, 5016075, 5727575, 6225625, 7022505, 7691315, 8360125, 10767841, 11704175, 12273375, 14188125, 17182725, 18676875, 20455625, 23073945, 25080375, 28637875, 32303523, 35112525, 38456575, 41800625, 53839205, 58520875, 61366875, 85913625, 115369725, 125401875, 143189375, 161517615, 175562625, 192282875, 269196025, 292604375, 429568125, 576848625, 807588075, 877813125, 961414375, 1345980125, 2884243125, 4037940375, 6729900625, 20189701875]

約数ペア:

[(1, 20189701875), (3, 6729900625), (5, 4037940375), (7, 2884243125), (15, 1345980125), (21, 961414375), (23, 877813125), (25, 807588075), (35, 576848625), (47, 429568125), (69, 292604375), (75, 269196025), (105, 192282875), (115, 175562625), (125, 161517615), (141, 143189375), (161, 125401875), (175, 115369725), (235, 85913625), (329, 61366875), (345, 58520875), (375, 53839205), (483, 41800625), (525, 38456575), (575, 35112525), (625, 32303523), (705, 28637875), (805, 25080375), (875, 23073945), (987, 20455625), (1081, 18676875), (1175, 17182725), (1423, 14188125), (1645, 12273375), (1725, 11704175), (1875, 10767841), (2415, 8360125), (2625, 7691315), (2875, 7022505), (3243, 6225625), (3525, 5727575), (4025, 5016075), (4269, 4729375), (4375, 4614789), (4935, 4091125), (5405, 3735375), (5875, 3436545), (7115, 2837625), (7567, 2668125), (8225, 2454675), (8625, 2340835), (9961, 2026875), (12075, 1672025), (13125, 1538263), (14375, 1404501), (16215, 1245125), (17625, 1145515), (20125, 1003215), (21345, 945875), (22701, 889375), (24675, 818225), (27025, 747075), (29375, 687309), (29883, 675625), (32729, 616875), (35575, 567525), (37835, 533625), (41125, 490935), (43125, 468167), (49805, 405375), (60375, 334405), (66881, 301875), (81075, 249025), (88125, 229103), (98187, 205625), (100625, 200643), (106725, 189175), (113505, 177875), (123375, 163645), (135125, 149415)]