20805216420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{65167}}^1$

素因数の和:65509

約数の個数: 96

約数和(自身を含む): 61879362048

約数和(自身を除く): 41074145628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 313, 340, 510, 626, 939, 1020, 1252, 1565, 1878, 3130, 3756, 4695, 5321, 6260, 9390, 10642, 15963, 18780, 21284, 26605, 31926, 53210, 63852, 65167, 79815, 106420, 130334, 159630, 195501, 260668, 319260, 325835, 391002, 651670, 782004, 977505, 1107839, 1303340, 1955010, 2215678, 3323517, 3910020, 4431356, 5539195, 6647034, 11078390, 13294068, 16617585, 20397271, 22156780, 33235170, 40794542, 61191813, 66470340, 81589084, 101986355, 122383626, 203972710, 244767252, 305959065, 346753607, 407945420, 611918130, 693507214, 1040260821, 1223836260, 1387014428, 1733768035, 2080521642, 3467536070, 4161043284, 5201304105, 6935072140, 10402608210, 20805216420]

約数ペア:

[(1, 20805216420), (2, 10402608210), (3, 6935072140), (4, 5201304105), (5, 4161043284), (6, 3467536070), (10, 2080521642), (12, 1733768035), (15, 1387014428), (17, 1223836260), (20, 1040260821), (30, 693507214), (34, 611918130), (51, 407945420), (60, 346753607), (68, 305959065), (85, 244767252), (102, 203972710), (170, 122383626), (204, 101986355), (255, 81589084), (313, 66470340), (340, 61191813), (510, 40794542), (626, 33235170), (939, 22156780), (1020, 20397271), (1252, 16617585), (1565, 13294068), (1878, 11078390), (3130, 6647034), (3756, 5539195), (4695, 4431356), (5321, 3910020), (6260, 3323517), (9390, 2215678), (10642, 1955010), (15963, 1303340), (18780, 1107839), (21284, 977505), (26605, 782004), (31926, 651670), (53210, 391002), (63852, 325835), (65167, 319260), (79815, 260668), (106420, 195501), (130334, 159630)]