20291217390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3955403}}^1$

素因数の和:3955438

約数の個数: 64

約数和(自身を含む): 56957817600

約数和(自身を除く): 36666600210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 171, 190, 270, 285, 342, 513, 570, 855, 1026, 1710, 2565, 5130, 3955403, 7910806, 11866209, 19777015, 23732418, 35598627, 39554030, 59331045, 71197254, 75152657, 106795881, 118662090, 150305314, 177993135, 213591762, 225457971, 355986270, 375763285, 450915942, 533979405, 676373913, 751526570, 1067958810, 1127289855, 1352747826, 2029121739, 2254579710, 3381869565, 4058243478, 6763739130, 10145608695, 20291217390]

約数ペア:

[(1, 20291217390), (2, 10145608695), (3, 6763739130), (5, 4058243478), (6, 3381869565), (9, 2254579710), (10, 2029121739), (15, 1352747826), (18, 1127289855), (19, 1067958810), (27, 751526570), (30, 676373913), (38, 533979405), (45, 450915942), (54, 375763285), (57, 355986270), (90, 225457971), (95, 213591762), (114, 177993135), (135, 150305314), (171, 118662090), (190, 106795881), (270, 75152657), (285, 71197254), (342, 59331045), (513, 39554030), (570, 35598627), (855, 23732418), (1026, 19777015), (1710, 11866209), (2565, 7910806), (5130, 3955403)]