20952300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{211}}^1\times {\mathrm{331}}^1$

素因数の和:559

約数の個数: 72

約数和(自身を含む): 61093312

約数和(自身を除く): 40141012

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 211, 300, 331, 422, 633, 662, 844, 993, 1055, 1266, 1324, 1655, 1986, 2110, 2532, 3165, 3310, 3972, 4220, 4965, 5275, 6330, 6620, 8275, 9930, 10550, 12660, 15825, 16550, 19860, 21100, 24825, 31650, 33100, 49650, 63300, 69841, 99300, 139682, 209523, 279364, 349205, 419046, 698410, 838092, 1047615, 1396820, 1746025, 2095230, 3492050, 4190460, 5238075, 6984100, 10476150, 20952300]

約数ペア:

[(1, 20952300), (2, 10476150), (3, 6984100), (4, 5238075), (5, 4190460), (6, 3492050), (10, 2095230), (12, 1746025), (15, 1396820), (20, 1047615), (25, 838092), (30, 698410), (50, 419046), (60, 349205), (75, 279364), (100, 209523), (150, 139682), (211, 99300), (300, 69841), (331, 63300), (422, 49650), (633, 33100), (662, 31650), (844, 24825), (993, 21100), (1055, 19860), (1266, 16550), (1324, 15825), (1655, 12660), (1986, 10550), (2110, 9930), (2532, 8275), (3165, 6620), (3310, 6330), (3972, 5275), (4220, 4965)]