20006150320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1012457}}^1$

素因数の和:1012502

約数の個数: 80

約数和(自身を含む): 52728812640

約数和(自身を除く): 32722662320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 9880, 19760, 1012457, 2024914, 4049828, 5062285, 8099656, 10124570, 13161941, 16199312, 19236683, 20249140, 26323882, 38473366, 40498280, 52647764, 65809705, 76946732, 80996560, 96183415, 105295528, 131619410, 153893464, 192366830, 210591056, 250076879, 263238820, 307786928, 384733660, 500153758, 526477640, 769467320, 1000307516, 1052955280, 1250384395, 1538934640, 2000615032, 2500768790, 4001230064, 5001537580, 10003075160, 20006150320]

約数ペア:

[(1, 20006150320), (2, 10003075160), (4, 5001537580), (5, 4001230064), (8, 2500768790), (10, 2000615032), (13, 1538934640), (16, 1250384395), (19, 1052955280), (20, 1000307516), (26, 769467320), (38, 526477640), (40, 500153758), (52, 384733660), (65, 307786928), (76, 263238820), (80, 250076879), (95, 210591056), (104, 192366830), (130, 153893464), (152, 131619410), (190, 105295528), (208, 96183415), (247, 80996560), (260, 76946732), (304, 65809705), (380, 52647764), (494, 40498280), (520, 38473366), (760, 26323882), (988, 20249140), (1040, 19236683), (1235, 16199312), (1520, 13161941), (1976, 10124570), (2470, 8099656), (3952, 5062285), (4940, 4049828), (9880, 2024914), (19760, 1012457)]