20005917270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{21751}}^1$

素因数の和:21858

約数の個数: 128

約数和(自身を含む): 52923138048

約数和(自身を除く): 32917220778

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 31, 43, 46, 62, 69, 86, 93, 115, 129, 138, 155, 186, 215, 230, 258, 310, 345, 430, 465, 645, 690, 713, 930, 989, 1290, 1333, 1426, 1978, 2139, 2666, 2967, 3565, 3999, 4278, 4945, 5934, 6665, 7130, 7998, 9890, 10695, 13330, 14835, 19995, 21390, 21751, 29670, 30659, 39990, 43502, 61318, 65253, 91977, 108755, 130506, 153295, 183954, 217510, 306590, 326265, 459885, 500273, 652530, 674281, 919770, 935293, 1000546, 1348562, 1500819, 1870586, 2022843, 2501365, 2805879, 3001638, 3371405, 4045686, 4676465, 5002730, 5611758, 6742810, 7504095, 9352930, 10114215, 14029395, 15008190, 15508463, 20228430, 21511739, 28058790, 28994083, 31016926, 43023478, 46525389, 57988166, 64535217, 77542315, 86982249, 93050778, 107558695, 129070434, 144970415, 155084630, 173964498, 215117390, 232626945, 289940830, 322676085, 434911245, 465253890, 645352170, 666863909, 869822490, 1333727818, 2000591727, 3334319545, 4001183454, 6668639090, 10002958635, 20005917270]

約数ペア:

[(1, 20005917270), (2, 10002958635), (3, 6668639090), (5, 4001183454), (6, 3334319545), (10, 2000591727), (15, 1333727818), (23, 869822490), (30, 666863909), (31, 645352170), (43, 465253890), (46, 434911245), (62, 322676085), (69, 289940830), (86, 232626945), (93, 215117390), (115, 173964498), (129, 155084630), (138, 144970415), (155, 129070434), (186, 107558695), (215, 93050778), (230, 86982249), (258, 77542315), (310, 64535217), (345, 57988166), (430, 46525389), (465, 43023478), (645, 31016926), (690, 28994083), (713, 28058790), (930, 21511739), (989, 20228430), (1290, 15508463), (1333, 15008190), (1426, 14029395), (1978, 10114215), (2139, 9352930), (2666, 7504095), (2967, 6742810), (3565, 5611758), (3999, 5002730), (4278, 4676465), (4945, 4045686), (5934, 3371405), (6665, 3001638), (7130, 2805879), (7998, 2501365), (9890, 2022843), (10695, 1870586), (13330, 1500819), (14835, 1348562), (19995, 1000546), (21390, 935293), (21751, 919770), (29670, 674281), (30659, 652530), (39990, 500273), (43502, 459885), (61318, 326265), (65253, 306590), (91977, 217510), (108755, 183954), (130506, 153295)]