20178651900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{563}}^1\times {\mathrm{10861}}^1$

素因数の和:11452

約数の個数: 144

約数和(自身を含む): 63810165888

約数和(自身を除く): 43631513988

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 66, 75, 100, 110, 132, 150, 165, 220, 275, 300, 330, 550, 563, 660, 825, 1100, 1126, 1650, 1689, 2252, 2815, 3300, 3378, 5630, 6193, 6756, 8445, 10861, 11260, 12386, 14075, 16890, 18579, 21722, 24772, 28150, 30965, 32583, 33780, 37158, 42225, 43444, 54305, 56300, 61930, 65166, 74316, 84450, 92895, 108610, 119471, 123860, 130332, 154825, 162915, 168900, 185790, 217220, 238942, 271525, 309650, 325830, 358413, 371580, 464475, 477884, 543050, 597355, 619300, 651660, 716826, 814575, 928950, 1086100, 1194710, 1433652, 1629150, 1792065, 1857900, 2389420, 2986775, 3258300, 3584130, 5973550, 6114743, 7168260, 8960325, 11947100, 12229486, 17920650, 18344229, 24458972, 30573715, 35841300, 36688458, 61147430, 67262173, 73376916, 91721145, 122294860, 134524346, 152868575, 183442290, 201786519, 269048692, 305737150, 336310865, 366884580, 403573038, 458605725, 611474300, 672621730, 807146076, 917211450, 1008932595, 1345243460, 1681554325, 1834422900, 2017865190, 3363108650, 4035730380, 5044662975, 6726217300, 10089325950, 20178651900]

約数ペア:

[(1, 20178651900), (2, 10089325950), (3, 6726217300), (4, 5044662975), (5, 4035730380), (6, 3363108650), (10, 2017865190), (11, 1834422900), (12, 1681554325), (15, 1345243460), (20, 1008932595), (22, 917211450), (25, 807146076), (30, 672621730), (33, 611474300), (44, 458605725), (50, 403573038), (55, 366884580), (60, 336310865), (66, 305737150), (75, 269048692), (100, 201786519), (110, 183442290), (132, 152868575), (150, 134524346), (165, 122294860), (220, 91721145), (275, 73376916), (300, 67262173), (330, 61147430), (550, 36688458), (563, 35841300), (660, 30573715), (825, 24458972), (1100, 18344229), (1126, 17920650), (1650, 12229486), (1689, 11947100), (2252, 8960325), (2815, 7168260), (3300, 6114743), (3378, 5973550), (5630, 3584130), (6193, 3258300), (6756, 2986775), (8445, 2389420), (10861, 1857900), (11260, 1792065), (12386, 1629150), (14075, 1433652), (16890, 1194710), (18579, 1086100), (21722, 928950), (24772, 814575), (28150, 716826), (30965, 651660), (32583, 619300), (33780, 597355), (37158, 543050), (42225, 477884), (43444, 464475), (54305, 371580), (56300, 358413), (61930, 325830), (65166, 309650), (74316, 271525), (84450, 238942), (92895, 217220), (108610, 185790), (119471, 168900), (123860, 162915), (130332, 154825)]