20177300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1$

素因数の和:138

約数の個数: 144

約数和(自身を含む): 55121472

約数和(自身を除く): 34944172

約数列:

[1, 2, 4, 5, 10, 11, 13, 17, 20, 22, 25, 26, 34, 44, 50, 52, 55, 65, 68, 83, 85, 100, 110, 130, 143, 166, 170, 187, 220, 221, 260, 275, 286, 325, 332, 340, 374, 415, 425, 442, 550, 572, 650, 715, 748, 830, 850, 884, 913, 935, 1079, 1100, 1105, 1300, 1411, 1430, 1660, 1700, 1826, 1870, 2075, 2158, 2210, 2431, 2822, 2860, 3575, 3652, 3740, 4150, 4316, 4420, 4565, 4675, 4862, 5395, 5525, 5644, 7055, 7150, 8300, 9130, 9350, 9724, 10790, 11050, 11869, 12155, 14110, 14300, 15521, 18260, 18343, 18700, 21580, 22100, 22825, 23738, 24310, 26975, 28220, 31042, 35275, 36686, 45650, 47476, 48620, 53950, 59345, 60775, 62084, 70550, 73372, 77605, 91300, 91715, 107900, 118690, 121550, 141100, 155210, 183430, 201773, 237380, 243100, 296725, 310420, 366860, 388025, 403546, 458575, 593450, 776050, 807092, 917150, 1008865, 1186900, 1552100, 1834300, 2017730, 4035460, 5044325, 10088650, 20177300]

約数ペア:

[(1, 20177300), (2, 10088650), (4, 5044325), (5, 4035460), (10, 2017730), (11, 1834300), (13, 1552100), (17, 1186900), (20, 1008865), (22, 917150), (25, 807092), (26, 776050), (34, 593450), (44, 458575), (50, 403546), (52, 388025), (55, 366860), (65, 310420), (68, 296725), (83, 243100), (85, 237380), (100, 201773), (110, 183430), (130, 155210), (143, 141100), (166, 121550), (170, 118690), (187, 107900), (220, 91715), (221, 91300), (260, 77605), (275, 73372), (286, 70550), (325, 62084), (332, 60775), (340, 59345), (374, 53950), (415, 48620), (425, 47476), (442, 45650), (550, 36686), (572, 35275), (650, 31042), (715, 28220), (748, 26975), (830, 24310), (850, 23738), (884, 22825), (913, 22100), (935, 21580), (1079, 18700), (1100, 18343), (1105, 18260), (1300, 15521), (1411, 14300), (1430, 14110), (1660, 12155), (1700, 11869), (1826, 11050), (1870, 10790), (2075, 9724), (2158, 9350), (2210, 9130), (2431, 8300), (2822, 7150), (2860, 7055), (3575, 5644), (3652, 5525), (3740, 5395), (4150, 4862), (4316, 4675), (4420, 4565)]