20677410

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:209

約数の個数: 128

約数和(自身を含む): 61205760

約数和(自身を除く): 40528350

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 43, 45, 54, 65, 78, 86, 90, 117, 129, 130, 135, 137, 195, 215, 234, 258, 270, 274, 351, 387, 390, 411, 430, 559, 585, 645, 685, 702, 774, 822, 1118, 1161, 1170, 1233, 1290, 1370, 1677, 1755, 1781, 1935, 2055, 2322, 2466, 2795, 3354, 3510, 3562, 3699, 3870, 4110, 5031, 5343, 5590, 5805, 5891, 6165, 7398, 8385, 8905, 10062, 10686, 11610, 11782, 12330, 15093, 16029, 16770, 17673, 17810, 18495, 25155, 26715, 29455, 30186, 32058, 35346, 36990, 48087, 50310, 53019, 53430, 58910, 75465, 76583, 80145, 88365, 96174, 106038, 150930, 153166, 159057, 160290, 176730, 229749, 240435, 265095, 318114, 382915, 459498, 480870, 530190, 689247, 765830, 795285, 1148745, 1378494, 1590570, 2067741, 2297490, 3446235, 4135482, 6892470, 10338705, 20677410]

約数ペア:

[(1, 20677410), (2, 10338705), (3, 6892470), (5, 4135482), (6, 3446235), (9, 2297490), (10, 2067741), (13, 1590570), (15, 1378494), (18, 1148745), (26, 795285), (27, 765830), (30, 689247), (39, 530190), (43, 480870), (45, 459498), (54, 382915), (65, 318114), (78, 265095), (86, 240435), (90, 229749), (117, 176730), (129, 160290), (130, 159057), (135, 153166), (137, 150930), (195, 106038), (215, 96174), (234, 88365), (258, 80145), (270, 76583), (274, 75465), (351, 58910), (387, 53430), (390, 53019), (411, 50310), (430, 48087), (559, 36990), (585, 35346), (645, 32058), (685, 30186), (702, 29455), (774, 26715), (822, 25155), (1118, 18495), (1161, 17810), (1170, 17673), (1233, 16770), (1290, 16029), (1370, 15093), (1677, 12330), (1755, 11782), (1781, 11610), (1935, 10686), (2055, 10062), (2322, 8905), (2466, 8385), (2795, 7398), (3354, 6165), (3510, 5891), (3562, 5805), (3699, 5590), (3870, 5343), (4110, 5031)]