20942350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:166

約数の個数: 96

約数和(自身を含む): 47809440

約数和(自身を除く): 26867090

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 29, 50, 55, 58, 65, 101, 110, 130, 143, 145, 202, 275, 286, 290, 319, 325, 377, 505, 550, 638, 650, 715, 725, 754, 1010, 1111, 1313, 1430, 1450, 1595, 1885, 2222, 2525, 2626, 2929, 3190, 3575, 3770, 4147, 5050, 5555, 5858, 6565, 7150, 7975, 8294, 9425, 11110, 13130, 14443, 14645, 15950, 18850, 20735, 27775, 28886, 29290, 32219, 32825, 38077, 41470, 55550, 64438, 65650, 72215, 73225, 76154, 103675, 144430, 146450, 161095, 190385, 207350, 322190, 361075, 380770, 418847, 722150, 805475, 837694, 951925, 1610950, 1903850, 2094235, 4188470, 10471175, 20942350]

約数ペア:

[(1, 20942350), (2, 10471175), (5, 4188470), (10, 2094235), (11, 1903850), (13, 1610950), (22, 951925), (25, 837694), (26, 805475), (29, 722150), (50, 418847), (55, 380770), (58, 361075), (65, 322190), (101, 207350), (110, 190385), (130, 161095), (143, 146450), (145, 144430), (202, 103675), (275, 76154), (286, 73225), (290, 72215), (319, 65650), (325, 64438), (377, 55550), (505, 41470), (550, 38077), (638, 32825), (650, 32219), (715, 29290), (725, 28886), (754, 27775), (1010, 20735), (1111, 18850), (1313, 15950), (1430, 14645), (1450, 14443), (1595, 13130), (1885, 11110), (2222, 9425), (2525, 8294), (2626, 7975), (2929, 7150), (3190, 6565), (3575, 5858), (3770, 5555), (4147, 5050)]