20299500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{347}}^1$

素因数の和:385

約数の個数: 144

約数和(自身を含む): 69162912

約数和(自身を除く): 48863412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 36, 39, 45, 50, 52, 60, 65, 75, 78, 90, 100, 117, 125, 130, 150, 156, 180, 195, 225, 234, 250, 260, 300, 325, 347, 375, 390, 450, 468, 500, 585, 650, 694, 750, 780, 900, 975, 1041, 1125, 1170, 1300, 1388, 1500, 1625, 1735, 1950, 2082, 2250, 2340, 2925, 3123, 3250, 3470, 3900, 4164, 4500, 4511, 4875, 5205, 5850, 6246, 6500, 6940, 8675, 9022, 9750, 10410, 11700, 12492, 13533, 14625, 15615, 17350, 18044, 19500, 20820, 22555, 26025, 27066, 29250, 31230, 34700, 40599, 43375, 45110, 52050, 54132, 58500, 62460, 67665, 78075, 81198, 86750, 90220, 104100, 112775, 130125, 135330, 156150, 162396, 173500, 202995, 225550, 260250, 270660, 312300, 338325, 390375, 405990, 451100, 520500, 563875, 676650, 780750, 811980, 1014975, 1127750, 1353300, 1561500, 1691625, 2029950, 2255500, 3383250, 4059900, 5074875, 6766500, 10149750, 20299500]

約数ペア:

[(1, 20299500), (2, 10149750), (3, 6766500), (4, 5074875), (5, 4059900), (6, 3383250), (9, 2255500), (10, 2029950), (12, 1691625), (13, 1561500), (15, 1353300), (18, 1127750), (20, 1014975), (25, 811980), (26, 780750), (30, 676650), (36, 563875), (39, 520500), (45, 451100), (50, 405990), (52, 390375), (60, 338325), (65, 312300), (75, 270660), (78, 260250), (90, 225550), (100, 202995), (117, 173500), (125, 162396), (130, 156150), (150, 135330), (156, 130125), (180, 112775), (195, 104100), (225, 90220), (234, 86750), (250, 81198), (260, 78075), (300, 67665), (325, 62460), (347, 58500), (375, 54132), (390, 52050), (450, 45110), (468, 43375), (500, 40599), (585, 34700), (650, 31230), (694, 29250), (750, 27066), (780, 26025), (900, 22555), (975, 20820), (1041, 19500), (1125, 18044), (1170, 17350), (1300, 15615), (1388, 14625), (1500, 13533), (1625, 12492), (1735, 11700), (1950, 10410), (2082, 9750), (2250, 9022), (2340, 8675), (2925, 6940), (3123, 6500), (3250, 6246), (3470, 5850), (3900, 5205), (4164, 4875), (4500, 4511)]