20042100

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{571}}^1$

素因数の和:607

約数の個数: 144

約数和(自身を含む): 69509440

約数和(自身を除く): 49467340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 27, 30, 36, 39, 45, 50, 52, 54, 60, 65, 75, 78, 90, 100, 108, 117, 130, 135, 150, 156, 180, 195, 225, 234, 260, 270, 300, 325, 351, 390, 450, 468, 540, 571, 585, 650, 675, 702, 780, 900, 975, 1142, 1170, 1300, 1350, 1404, 1713, 1755, 1950, 2284, 2340, 2700, 2855, 2925, 3426, 3510, 3900, 5139, 5710, 5850, 6852, 7020, 7423, 8565, 8775, 10278, 11420, 11700, 14275, 14846, 15417, 17130, 17550, 20556, 22269, 25695, 28550, 29692, 30834, 34260, 35100, 37115, 42825, 44538, 51390, 57100, 61668, 66807, 74230, 77085, 85650, 89076, 102780, 111345, 128475, 133614, 148460, 154170, 171300, 185575, 200421, 222690, 256950, 267228, 308340, 334035, 371150, 385425, 400842, 445380, 513900, 556725, 668070, 742300, 770850, 801684, 1002105, 1113450, 1336140, 1541700, 1670175, 2004210, 2226900, 3340350, 4008420, 5010525, 6680700, 10021050, 20042100]

約数ペア:

[(1, 20042100), (2, 10021050), (3, 6680700), (4, 5010525), (5, 4008420), (6, 3340350), (9, 2226900), (10, 2004210), (12, 1670175), (13, 1541700), (15, 1336140), (18, 1113450), (20, 1002105), (25, 801684), (26, 770850), (27, 742300), (30, 668070), (36, 556725), (39, 513900), (45, 445380), (50, 400842), (52, 385425), (54, 371150), (60, 334035), (65, 308340), (75, 267228), (78, 256950), (90, 222690), (100, 200421), (108, 185575), (117, 171300), (130, 154170), (135, 148460), (150, 133614), (156, 128475), (180, 111345), (195, 102780), (225, 89076), (234, 85650), (260, 77085), (270, 74230), (300, 66807), (325, 61668), (351, 57100), (390, 51390), (450, 44538), (468, 42825), (540, 37115), (571, 35100), (585, 34260), (650, 30834), (675, 29692), (702, 28550), (780, 25695), (900, 22269), (975, 20556), (1142, 17550), (1170, 17130), (1300, 15417), (1350, 14846), (1404, 14275), (1713, 11700), (1755, 11420), (1950, 10278), (2284, 8775), (2340, 8565), (2700, 7423), (2855, 7020), (2925, 6852), (3426, 5850), (3510, 5710), (3900, 5139)]